The first five weeks of basic training is comple and the recruits return to Catterick to complete the rest of the course: hand-to-hand combat with their bayonet knife, how to shoot live ammunition, and how their bodies react to exposure to CS gas.

With hundreds of British soldiers killed fighting in Afghanistan, why do young men want to join the army?

Shown in September 2011: http://www.bbc.co.uk/programmes/b014w57r